New compounds are provided that may be used to chelute a metal. The compound comprise polyazamacrocyclic compound with at least one phosphonic group substituted on at least one of the aza groups of the polyazamacrocyclic compound. Methods for preparing the compounds are also provided. Methods for preparing a diagnostic imaging agent using the compounds and methods for diagnostic imaging are further provided. Methods for preparing a therapeutic agent using the compounds and methods for therapy are further provided.
提供了可以用于螯合
金属的新化合物。该化合物包括至少在多氮杂大环化合物的一个氮杂基上取代至少一个膦基的聚氮杂大环化合物。还提供了制备这些化合物的方法。进一步提供了利用这些化合物制备诊断成像剂的方法以及诊断成像的方法。还提供了利用这些化合物制备治疗剂的方法以及治疗的方法。